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Math Help - velocity question!

  1. #1
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    velocity question!



    Does anybody know how to solve this? I can't get the answer
    It's supposed to be 8m/s
    Thanks in advance!
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  2. #2
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    Re: velocity question!

    Quote Originally Posted by MathYUNoEasy View Post


    Does anybody know how to solve this? I can't get the answer
    It's supposed to be 8m/s
    Thanks in advance!
    Use one of the well known formulas for uniform acceleration: s = ut + \frac{1}{2} at^2.

    Substitute the given data and solve for u.
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  3. #3
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    Re: velocity question!

    Wow, thanks, I got the right answer!
    This formula isn't in my syllable yet though, I think they're expecting me to solve it in a, well, more tedious way, since they're offering 7 marks. What are other ways to solve this?
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  4. #4
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    Re: velocity question!

    Quote Originally Posted by MathYUNoEasy View Post
    Wow, thanks, I got the right answer!
    This formula isn't in my syllable yet though, I think they're expecting me to solve it in a, well, more tedious way, since they're offering 7 marks. What are other ways to solve this?
    if this problem is for a grade, then MHF policy prohibits assistance.
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  5. #5
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    Re: velocity question!

    Quote Originally Posted by skeeter View Post
    if this problem is for a grade, then MHF policy prohibits assistance.
    Indeed. Thread closed.
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  6. #6
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    Re: velocity question!

    Quote Originally Posted by MathYUNoEasy View Post
    Wow, thanks, I got the right answer!
    This formula isn't in my syllable yet though, I think they're expecting me to solve it in a, well, more tedious way, since they're offering 7 marks. What are other ways to solve this?
    Then your job is to derive the formula from the hints you were given. Or to go to an appropriate textbook and review the derivation.
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